DURAGADGET Silver Braided Nylon 3M Micro USB Data Sync Charger Cable - Suitable for JBL UA Sport Wireless Train & JBL UA Sport Wireless Train - Project Rock Edition

you a sport wireless engineered by JBL have a unique design which fits in the bold of you ear versus your inner ear these headphones come with five sizes of fit adapters four five six and eight and three sizes of ear tips small medium and large fit adapters sit in the bowl of your ear and our essential for secure fit while the ear tips are inserted in the inside of the ear canal and provide sound occlusion the size seven bit adapter and medium ear tip come pre-installed on the headphone insert each tip directly into your ear canal a slight twist of the headphones toward your jaw will lock them into place the correct size will fully fill the bowl of your ear and fit snugly against the edge feeling secure if your headphones become loose you may need a larger sized enhancer which can be found in the box try a variety of combinations between the adapters and ear tips to find the best combin